Siemens HGB3K070B Molded Case Circuit Breaker
- 70A
- 3 Pole
- Bolt-On
Siemens
HGB3K070B
Molded Case Circuit Breaker
Brand
Siemens
SKU
HGB3K070B
Quantity
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Siemens HGB3K070B - 70A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial applications, the Siemens HGB3K070B is a 3-pole, 70A MCCB from the Sentron GB/GG frame family. It provides reliable long-time and instantaneous (LI) protection. This bolt-on breaker installs into Siemens P1 through P5 panelboards. It serves as a cross-reference for the HGB3B070B and is replaced by the 3VA5170-6ED31-0AA0 with a retrofit kit. Rated at 35kAIC at 480Y/277VAC, it features a trip-free mechanism and is HACR rated for HVAC equipment compatibility.Specifications
| Brand | Siemens |
|---|---|
| Series | HGB |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC, 240VAC, 480Y/277VAC, 600Y/347VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 120VAC, 100kA @ 240VAC, 35kA @ 480Y/277VAC, 14kA @ 600Y/347VAC, 42kA @ 125/250VDC |
| Frame Type | HGB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3, P4, P5 Panelboards |
| Wire Gauge | 8-1/0 AWG (Cu), 8-2/0 AWG (Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 8 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, High Interrupting Capacity, Common Trip, Trip-Free Mechanism, Non-Interchangeable Trip |
Product FAQs
5 answersWhich Siemens panelboards are compatible with the HGB3K070B circuit breaker?
This bolt-on breaker is designed for use in Siemens P1, P2, P3, P4, and P5 panelboards.
What wire sizes are accepted by the terminal lugs on the HGB3K070B?
The factory-installed lugs accept 8 AWG to 1/0 AWG copper wire, or 8 AWG to 2/0 AWG aluminum wire.
Can the HGB3K070B be used in DC electrical systems?
Yes, this breaker is rated for 125/250VDC systems and provides an interrupting capacity of 42kA at those DC voltages.
Are the thermal and magnetic trip settings adjustable on this HGB frame breaker?
No, the HGB3K070B features fixed thermal and fixed magnetic trip settings for its long-time and instantaneous (LI) protection functions.
Does this breaker mount to DIN rail or bolt directly to the bus?
The HGB3K070B is a bolt-on circuit breaker that fastens directly to the panelboard bus. It is not designed for DIN rail mounting.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
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Rating
2 reviews
- CSCody S.Verified BuyerReviewingSiemens HGB3B020B - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars12/1/25I love SuperBreakers
Excellent shipping time and everything works perfectly
- JMJessica M.ReviewingSiemens HGB3B020B - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/16/23works as intended
works as intended